In the cisco expressway solution, which two features does mobile and Remote access provide?

VPN-based enterprise access for a subset of Cisco Unified IP Phone models

secure reverse proxy firewall traversal connectivity

the ability 10 register third-party SIP or H 323 devices on Cisco UCM without requiring VPN

the ability of Cisco IP Phones to access the enterprise through VPN connection

the ability for remote users and their devices to access and consume enterprise collaboration applications and services